Hong Kong is one of the two Special Administrative Regions of the People's Republic of China, the other being Macau. It is situated on China's south coast and, enclosed by the Pearl River Delta and South China Sea, it is known for its expansive skyline and deep natural harbour. With a land mass of 1,104 km2 (426 sq mi) and a population of seven million people, Hong Kong is one of the most densely populated areas in the world. Hong Kong's population is 93.6% ethnic Chinese and 6.4% from other groups. Hong Kong's Han Chinese majority originate mainly from the cities of Guangzhou and Taishan in the neighbouring Guangdong province.
More information on the Wikipedia page 
For a list of libraries in Hong Kong see the Wikipedia page .